From 1f7de306f547ecb394a34445fd6ac1d6bc8ab439 Mon Sep 17 00:00:00 2001
From: Mikhail Rakhmanov <rakhmanov.m@gmail.com>
Date: Wed, 3 Jun 2020 18:57:50 +0200
Subject: Add documentation

---
 docs/dev/lsp-extensions.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'docs')

diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index 647cf6107..7f7940d0b 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -97,6 +97,30 @@ Invoking code action at this position will yield two code actions for importing
 * Is a fixed two-level structure enough?
 * Should we devise a general way to encode custom interaction protocols for GUI refactorings?
 
+## Lazy assists with `ResolveCodeAction`
+
+**Issue:** https://github.com/microsoft/language-server-protocol/issues/787
+
+**Client Capability** `{ "resolveCodeAction": boolean }`
+
+If this capability is set, the assists will be computed lazily. Thus `CodeAction` returned from the server will only contain `id` but not `edit` or `command` fields. The only exclusion from the rule is the diagnostic edits.
+
+After the client got the id, it should then call `experimental/resolveCodeAction` command on the server and provide the following payload:
+
+```typescript
+interface ResolveCodeActionParams {
+    id: string;
+    codeActionParams: lc.CodeActionParams;
+}
+```
+
+As a result of the command call the client will get the respective workspace edit (`lc.WorkspaceEdit`).
+
+### Unresolved Questions
+
+* Apply smarter filtering for ids?
+* Upon `resolveCodeAction` command only call the assits which should be resolved and not all of them?
+
 ## Parent Module
 
 **Issue:** https://github.com/microsoft/language-server-protocol/issues/1002
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